Electric resistance heating devices – Heating devices – Radiant heater
Patent
1995-05-24
1997-08-19
Hoang, Tu B.
Electric resistance heating devices
Heating devices
Radiant heater
392424, 392430, 219524, F21V 700
Patent
active
056596570
ABSTRACT:
A heater element support frame is pivotally mounted at one edge to a support member attached to a reflector for movement between a first position disposing the frame adjacent to the reflector and a second position in which the frame is spaced from the reflector. Heater element end caps are slidably mounted in slots formed in sidewalls of the frame and mountable in a selectively adjustable position along the slots. Alternately, slots are formed in the reflector and arranged in a dimensional relationship to receive the end cap mounts such that the ends of two adjacent alternating heater elements of two side-by-side arranged columns of heater elements are offset from each other such that the heat generating portion of one heater element overlaps a non-heat generating portion and the end cap of an adjacent heater element.
REFERENCES:
patent: 2795683 (1957-06-01), Teiger
patent: 2896058 (1959-07-01), Perryman
patent: 2917616 (1959-12-01), Thomson
patent: 3654430 (1972-04-01), Thayer
patent: 4179600 (1979-12-01), Haberhauer
patent: 4202112 (1980-05-01), Eltz et al.
patent: 4538217 (1985-08-01), Ewing et al.
patent: 4818849 (1989-04-01), Matlen
patent: 5142795 (1992-09-01), Abbott
patent: 5155798 (1992-10-01), Denend
Brokaw, Inc.
Hoang Tu B.
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